Pith Number

pith:2OCO73ZZ

pith:2014:2OCO73ZZKFHQ27WQ5VJPXUEC5T

not attested not anchored not stored refs pending

An abstract inverse problem for boundary triples with an application to the Friedrichs Model

B. M. Brown, I. G. Wood, M. Marletta, S. N. Naboko

arxiv:1404.6820 v2 · 2014-04-27 · math.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2OCO73ZZKFHQ27WQ5VJPXUEC5T}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:32:06.188256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d384efef39514f0d7ed0ed52fbd082ecfec47a7b803008218b261ce3f670c16d

Aliases

arxiv: 1404.6820 · arxiv_version: 1404.6820v2 · doi: 10.48550/arxiv.1404.6820 · pith_short_12: 2OCO73ZZKFHQ · pith_short_16: 2OCO73ZZKFHQ27WQ · pith_short_8: 2OCO73ZZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2OCO73ZZKFHQ27WQ5VJPXUEC5T \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d384efef39514f0d7ed0ed52fbd082ecfec47a7b803008218b261ce3f670c16d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cea0f1f5fa604b89132b9186e0e6c324af775b8d89f4ec381bbb0536adfc0a55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-04-27T20:21:11Z",
    "title_canon_sha256": "a84b6249567f5da5ee91a4514115e72b773198b8b4452409ddf3f5d8ab803b8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6820",
    "kind": "arxiv",
    "version": 2
  }
}